code: def test_read_ubyte_bad_index(self):
      with rasterio.open("tests/data/RGB.byte.tif") as s:
          self.assertRaises(IndexError, s.read, 0)
  
imports: from hashlib import md5
  import unittest
  import numpy
  import pytest
  import rasterio
  from rasterio.errors import DatasetIOShapeError
label_desc: Use image node_id 4 for calling the ReaderContextTest obj's underlying member method code with example usage: obj.test_read_ubyte_bad_index() without return types